MAX987EUK-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power, stereo audio amplifier
• Package: SOT23-5
• Essence: Compact and efficient audio amplification solution
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.4W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.04% at 1kHz, 0.1W
• Efficiency: Up to 90%
• Shutdown Current: < 1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX987EUK-T has a total of 5 pins arranged as follows:

```

---

| | --| VDD | --| GND | --| SHDN | --| LOUT | --| ROUT | |___________| ```

Functional Features

• Stereo audio amplification with low power consumption
• Wide supply voltage range for versatile applications
• High efficiency for extended battery life in portable devices
• Low shutdown current for power-saving operation
• Minimal external components required for easy integration

Advantages

• Compact package size allows for space-constrained designs
• High-quality audio output with low distortion
• Efficient power utilization for longer battery life
• Simple circuit design and minimal external components reduce cost and complexity

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Not suitable for high-power audio applications
• Sensitive to improper grounding or noise interference

Working Principles

The MAX987EUK-T is a class AB stereo audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the input audio signals and drives the connected speakers with increased power. The amplifier operates within a specified supply voltage range and provides high-quality audio output while minimizing power consumption.

Detailed Application Field Plans

The MAX987EUK-T is commonly used in various portable audio devices, such as smartphones, tablets, portable media players, and Bluetooth speakers. Its compact size, low power consumption, and high efficiency make it ideal for battery-powered applications where space and energy efficiency are crucial.

Alternative Models

• TPA3116D2: Class D audio amplifier with higher output power
• LM386: Low-power audio amplifier with simpler circuitry
• TDA7294: High-power audio amplifier for demanding applications

These alternative models offer different features and specifications to suit specific application requirements.

In conclusion, the MAX987EUK-T is a compact and efficient stereo audio amplifier IC designed for low-power applications. With its high-quality audio output, wide supply voltage range, and minimal external component requirements, it is widely used in portable audio devices. However, it has limitations in terms of output power and susceptibility to noise interference. Engineers can consider alternative models depending on their specific needs.